New to zero-emission vehicles? Have questions? Not sure where to start? Join our free Next-Stop to Zero virtual event series!
New to zero-emission vehicles? Have questions? Not sure where to start? Join our free Next-Stop to Zero virtual event series!
New to zero-emission vehicles? Have questions? Not sure where to start? Join our free Next-Stop to Zero virtual event series!
New to zero-emission vehicles? Have questions? Not sure where to start? Join our free Next-Stop to Zero virtual event series!





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Truck & Bus Regulation

Applies to all on-road diesel vehicles with a gross vehicle weight rating greater than 14,000 lbs. Includes school buses.

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Heavy-Duty Inspection & Maintenance

Applies to all non-gasoline heavy-duty trucks operating in California.


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TRU / Reefer Regulation

Applies to in-use diesel-fueled transport refrigeration units (TRUs) and TRU generator sets.

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